Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887961 | Radiant wall burner apparatus | Makoto Miyata | 1989-12-19 |
| 4865947 | Silver halide photographic material | Yoshio Inagaki | 1989-09-12 |
| 4830950 | Silver halide photographic material | Toshiro Takahashi, Keiichi Adachi, Masahiro Okada | 1989-05-16 |